irishslang.info

Stupid, rare

 "That's wick" 

irishslang.info

N. Anat.

Perineum.

 "Tis'nae yer balls, and tis'nae yer arse."

Usually used to explain just a bad natured someone is, "he's so bad he would even stel the blessing from the holy water"

irishslang.info
getting above ones station
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A lot of lies
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A Derry boys description of someone a brick shy of a load. (an idiot)

irishslang.info

Stupid

e.g. "that fella there is as thick as 2 short planks!"